Sure, I think it's very possible that the "general Christian belief" about the Noah story - that's it's probably a parable but the lesson to be gleaned from it is that if we collectively sin so much G/god will smite us all save the 1-2 "good ones" and the animals - is wrong. Because the story, much like a plain reading of many of the OT books, makes G/god look like a jealous, vengeful *******. This naturally flies in the face of the notion that if we believe G/god truly does love us and wants us to be saved, H/he probably isn't wiping the majority of us out just because he got angry and there was some idol worship and Dionysian lifestyles being lived.
I'm comfortable saying this is the general Christian belief about the Noah story because I've heard Catholic priests, a WELS Lutheran pastor, and an LDS* bishop all speak to the story and the message seemed to be the same.
*I understand that some Christians don't want to include the LDS faith into the Christian umbrella.
I think it can be hard to do a plain reading of many of the stories. A "plain reading" usually means a modern American reading. There's a lot we can miss when we don't understand their culture and their methods of story telling.
The story is written in what's known as a chiastic pattern, where details at the front end are then mirrored at the back end. One way these patterns are used is to lead the audience to a central point. This Noah chiasm looks something like this (hopefully it formats well):
- A - 7:1 - Command to enter ark
- B - 7:4 - 7 days
- C - 7:10 - 7 days
- D- 7:16 - God shut the door of the ark
- E- 7:17 - 40 days
- F - 7:19-20 - Mountains covered with water
- G - 7:14 - 150 days the water prevails
- H - 8:1 - God remembered Noah
- G' - 8:3 - 150 days the water abates
- F' - 8:5 - Mountains become visible
- E' - 8:6a - 40 days
- D' - 8:6b - Noah opens the window of the ark
- C' - 8:10 - 7 days
- B' - 8:12 - 7 days
- A' - 8:15-16 - Command to leave the ark
So, while I agree there is an aspect of some kind of judgment/destruction in the story (the general Christian belief), I think the larger point is something else. A plain reading that doesn't account for the literary structure that would have been plain to the original audience is going to miss this. It appears that God remembering Noah and everything that was on the ark is an important point. The author makes that clear in how he wrote the story. "Remember" doesn't mean some recalling of a fact in his mind as if God said, "Hey, who is that down there in a boat? Oh, yeah, it's my boy Noah!" "Remember" is generally followed with an action. The way God "remembered" Noah was by doing something. God "remembered" and "God made a wind blow over the earth", which was the beginning of the action he took.
The image here is that everything is surrounded by water and a wind blows over it. The word for wind is the same as the word for spirit. So, we have a wind/spirit over water. This is, almost certainly, an echo of Genesis 1:2 when God's spirit hovered over the water. And what happened after God's spirit hovered over the waters in chapter 1? There was light, waters were separated, land was separated from water, there were birds, and animals and humans were on the earth with a command to be fruitful and multiply. What happens in chapter 8 after God remembered Noah and caused a wind to blow over the waters? The waters separate (8:2), land is separated from water (8:5), there are birds (8:6-12), man and animals leave the ark to be on earth and are told to be fruitful and multiply (8:17-18).
The center of the chiasm, which highlights God's saving act, is also the starting point of a re-creation. This is a story of de-creation and re-creation, or of chaos and order. I believe this would have been obvious to an ancient audience. Creation, to them, wasn't about the science and the material world. It was about order and things functioning with a proper purpose. (I've heard the analogy of a house vs a home. Sure, God did make the house - which is about the materials used to make the physical structure - but the real message is that he made a home - which is about how the house and those in it function.) It's important to understand that Genesis 1 isn't about the science. It's about a starting point of chaos (1:2a) and how this god brought order to things and gave things function and purpose. Chapters 3 and 4 tell stories of a decline and chapter 6 paints a picture of where that decline led, a return to complete chaos. This isn't about some idol worship and Dionysian lifestyles. Chapter 6 says every intention of man was only evil. The chapter uses words like evil, corrupt/ruined, and violence. And not just about humans, but about the earth which was now ruined. All of creation had descended back into chaos. The flood brings us back to 1:2 where the earth was without form and void and darkness was over the face of the abyss. And God was "grieved in his heart" about the state of creation in chapter 6 and we read about how he brought order back into the world.
Yes, the story does say that it was God who brought the waters. He was the one who brought things back to chaos to then bring things back into order. And I'm sure there are still plenty of "why" questions around that. Interestingly, in 8:21, God refers back to man's intentions being evil, but this time says he won't destroy everything again. There's a recognition that we our inclinations haven't changed, but post-flood God is going to take the route of covenant relationships (from Noah to Abram to Moses/Israel to David to Jesus).
I don't say all of this to try to provide nice clean answers to tough questions. I say it to point out how I truly believe "general Christian belief" can miss the mark and shouldn't always be held up as a proper interpretation of what the Bible is about and who God is. This is all a widely-known interpretation among Biblical scholars, yet mostly hidden from the average Christian. It's no wonder the Bible is generally seen as total bunk based on the way we usually read it and talk about it. However, the more I learn, the more I think it is absolutely brilliant. And, no, it certainly doesn't answer all my questions about God. It raises a lot of questions.